48847521 has 4 divisors (see below), whose sum is σ = 65130032. Its totient is φ = 32565012.

The previous prime is 48847501. The next prime is 48847541. The reversal of 48847521 is 12574884.

It is a happy number.

48847521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (48847501) and next prime (48847541).

It is not a de Polignac number, because 48847521 - 2¹⁷ = 48716449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48847521.

It is not an unprimeable number, because it can be changed into a prime (48847501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8141251 + ... + 8141256.

It is an arithmetic number, because the mean of its divisors is an integer number (16282508).

Almost surely, 2^48847521 is an apocalyptic number.

It is an amenable number.

48847521 is a deficient number, since it is larger than the sum of its proper divisors (16282511).

48847521 is a wasteful number, since it uses less digits than its factorization.

48847521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16282510.

The product of its digits is 71680, while the sum is 39.

The square root of 48847521 is about 6989.1001566725. The cubic root of 48847521 is about 365.5506070282.

The spelling of 48847521 in words is "forty-eight million, eight hundred forty-seven thousand, five hundred twenty-one".